Fission probes of sub-barrier fusion cross section enhancements and spin distribution broadening

Cross sections for the production of superheavy nuclei

“…Experimental data are taken from [43] and [44] for the first reaction and from [45] and [46] for the second one. Dotted and solid curves correspond to one-dimensional and channel coupling calculations of the capture cross sections (see Section 3).…”

Puzzling features of heavy-ion fission at sub-barrier energies

“…The heavy-ion induced fission fragment angular distribution measurements carried out at sub-barrier energies for several systems with Th, U and Np as targets have exhibited anomalously large values of anisotropies (A) as compared to the standard saddle point statistical model (SSPSM) [1][2][3][4][5][6][7][8][9][10][11]. This feature has been observed for several projectiles ranging from 11 B to 19 F and appears to be independent of the entrance channel mass-asymmetry.…”

“…For simplicity, only target deformation is considered. It is expected that l 2 should be proportional to G. In order to test the idea whether the l 2 values extracted from measured anisotropies are proportional to their respective G values, for all the available systems, the corresponding G values have been computed using expression [2]. The deformation parameters β have been taken from Raman et al [22].…”

“…The calculation (which included corrections for pre-fission particle emission) details are as discussed elsewhere [11]. The fission fragment anisotropy data,for projectiles ranging from B to F and for targets Th, U, Np, Pb and Bi have been considered [1][2][3][4][5][6][7][8][9][10][11][12][13]. The (A − 1) exp /(A − 1) cal values are plotted as a function of E/V B in Fig.…”

Experimental investigation of the cluster radioactivity of atomic nuclei

“…The amount of 242 Cm was 0.46 mg at the beginning of the measurements. The 242 Cm sources were 30 mm in diameter and located in the center [14], 4 Videbaek et al [13], --results of calculation [12].…”